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Composite Materials and Repairs

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Questions and Answers

Which type of resin is hardened by the process known as cross-linking?

Polyurethane resin
Epoxy resin (correct)
Thermoplastic resin
Polyester resin

Which of the following components needs to be connected to the hot bonder?

Vacuum bag (correct)
Fiber
Curing agent
Resin

What are the two major groups into which resins are divided?

Polyester and polyurethane
Epoxy and cyanoacrylate
Fiber and curing agent
Thermoplastics and thermosets (correct)

Which of the following adhesives is used in bonding core assemblies or for gap filling applications?

<p>Cyanoacrylate adhesive (A)</p>

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What is the purpose of a thermocouple in a hot bonding process?

<p>To measure temperature (C)</p>

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Flashcards

Epoxy Resin

A thermosetting polymer that hardens through cross-linking, forming a rigid structure.

Vacuum Bag

A component connected to a hot bonder to apply pressure and ensure proper adhesion during the bonding process.

Thermoplastics and Thermosets

The two primary categories of resins, differentiated by their behavior under heat. Thermoplastics soften when heated, while thermosets undergo irreversible chemical changes.

Cyanoacrylate Adhesive

An adhesive used for bonding core assemblies or filling gaps due to its rapid curing and strong bonding properties.

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Thermocouple

A device used in hot bonding to accurately monitor and control the temperature of the bonded materials.

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Study Notes

Thermosetting Resins

Thermosetting resins are hardened by the process known as cross-linking.

Hot Bonder Components

The thermocouple needs to be connected to the hot bonder.

Types of Resins

Resins are divided into two major groups.

Adhesives Applications

Epoxy adhesives are used in bonding core assemblies or for gap filling applications.

Thermocouple Purpose

The purpose of a thermocouple in a hot bonding process is to measure the temperature.

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